CVE-2026-124563

A security flaw has been discovered in D-Link DIR-878 1.20B05. Affected by this vulnerability is the function SetWanSettings of the component HNAP Handler. The manipulation of the argument Primary/Secondary results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

• CWE-119
• CWE-120

• https://github.com/Zimo-666/DIR-878-cves/tree/main/05-setwansettings-l2tp-pptp-dns-overflow
• https://vuldb.com/cve/CVE-2026-124563
• https://vuldb.com/submit/1035619
• https://vuldb.com/vuln/432895
• https://vuldb.com/vuln/432895/cti
• https://www.dlink.com/

Published

Nov 9, 2026

Last Modified

Nov 13, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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